Whether you’re taking the Heat Loss/Gain and Duct Design Class (sometimes referred to as the “J & D Course”) or ready to take the Conditioned Air License, restricted or non-restricted, exam prep class, we have the correct materials for you as outlined by Denny Varnadoe and the State of Georgia.

Unsure of what you need? No worry! We keep the most up to date materials, editions, and amendments as required by the State of Georgia.

We offer a special discounted price for the complete sets of books & materials required by your instructor.